Garden Decking Costs: What to Expect and How to Save

Quick Cost Breakdown

Cost of garden decking installation comes to an average of £2,000-£6,000. Decking cost per square metre typically ranges from £80-£300. Material options for decking boards range from pressure-treated softwood to premium hardwood. A deck installer will typically need 2-5 days to complete the installation.

In this cost guide we will cover the following

1. Why Should I Invest in a Deck? The Benefits
2. Cost to Install Decking: Full Breakdown
3. How Much Does A Professional Decking Service Cost?
4. Different Types of Decking Materials and Costs
5. Custom Decking Features to Consider
6. Avoid These Hidden Decking Costs
7. Can Installing a Deck Provide Long-Term Value?
8. Find Local Decking Installers on MyBuilder
9. FAQ: Common Questions About Decking Installation

Why Should I Invest in a Deck? The Benefits

Decking can add a stylish, practical space for relaxation and entertaining, while also adding value to your home.

Decking offers a durable, low-maintenance alternative to traditional lawns, with no need for mowing, weeding, or regular watering - making it a practical, long-lasting choice for busy homeowners.

Key benefits of garden decking include:

• A defined outdoor living area perfect for dining, seating, or socialising

• Improved garden aesthetics with a clean, modern finish

• A practical solution for uneven or sloped gardens

• A clean, mud-free surface - ideal for the UK’s wetter weather

• Potential to boost property appeal and resale value

Ultimately, garden decking is a versatile investment that combines style with practicality.

Whether you’re looking to create a quiet spot to relax or a functional area for hosting guests, the right decking design can transform how you use your outdoor space.

Cost to Install Decking: Full Breakdown

Understanding the cost of decking is essential when planning to upgrade your garden. On average, decking costs in the UK range from £1,200 to £4,200, depending on the size, materials, and complexity of the project. Larger or premium installations can exceed £9,000.

Project Type	Estimated Cost
Small deck (basic timber)	£1,200 – £2,000
Medium deck	£2,000 – £4,200
Large or premium deck	£4,200 – £9,000+

Factors affecting the cost:

• Material choice: Timber is more affordable upfront, while composite costs more but requires less maintenance over time.

• Size of area: Larger spaces increase both material and labour costs.

• Installation complexity: Raised decking, steps, or uneven ground can add to labour time and expense.

Labour is often a significant portion of the total cost, especially for more complex builds. Features such as multiple levels, integrated seating, or built-in lighting can quickly increase installation time, so it’s worth factoring these into your budget early on.

For the most accurate estimate, it’s worth discussing your plans with a carpenter near you on MyBuilder, who can provide tailored quotes based on your garden layout and requirements.

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How Much Does A Professional Decking Service Cost?

Understanding the costs of professional installation for your garden decking is key to planning your budget accurately.

The process typically includes ground preparation, installing a solid subframe, laying the decking boards, and ensuring everything is level, secure, and built to last.

On average, decking installation costs range from £20 to £50 per square metre, excluding materials.

Simpler, ground-level decks are usually at the lower end of the scale, while raised platforms, steps, or bespoke layouts will push costs higher due to the additional time and expertise required.

Job	Labour Cost
Low-end decking installation	£20 per m²
Average decking installation	£33 per m²
High-end decking installation	£50 per m²

Most decking installations take between 2 to 5 days, depending on the size and complexity of the project. Larger or more intricate designs may take longer, particularly if groundwork or structural supports are required.

For the most accurate pricing, it’s best to compare a few quotes from professionals who can assess your garden, and provide a tailored estimate based on your specific requirements. The easy way to do this is by posting your job on MyBuilder today.

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Different Types of Decking Materials and Costs

When it comes to decking materials, there is a wide variety that can suit any design preference or budget. Choosing the right material involves considering factors such as durability, maintenance and aesthetic appeal.

Wood Decking

Wood decking remains a popular choice due to its natural look and feel, often complementing the overall design of outdoor spaces. Softwood options typically range from £60 to £80 per m², while hardwood decking costs can be between £100 and £120 per m².

Don't forget: Wood decking requires regular maintenance to prevent damage and extend its lifespan.

Composite Decking

Composite decking provides a durable and low-maintenance alternative, combining wood fibres and plastic.

This material is appealing for those looking for longevity and minimal upkeep. Costs typically range from £80 to £160 per m², reflecting its durable construction and variety.

Composite decking is resistant to fading, staining and mould, making it a practical choice for long-term cost efficiency.

PVC Decking

PVC decking offers a unique set of features, including resistance to moisture, rot and general weathering.

This makes it an attractive option for those focused on durability and low maintenance. The cost ranges from £50 to £120 per m², allowing flexibility depending on the specific requirements of your project.

PVC decking is typically lighter than other materials, which can simplify the installation process.

Landscaping costs can significantly affect your overall garden decking budget, especially if groundwork, levelling, or drainage improvements are needed before installation. See more about landscaping costs.

Custom Decking Features to Consider

Custom features can have a significant impact on the overall cost of your garden decking project, but they also enhance both its appearance and functionality.

Adding the right features can transform a simple deck into a more versatile and enjoyable outdoor living space.

Here are some popular options to consider:

Built-in seating (£150 – £500): A practical, space-saving addition that creates a seamless look while reducing the need for extra garden furniture. It’s ideal for entertaining and maximising smaller decking areas.

Integrated lighting (£30 – £100 per light): Improves safety and visibility while adding atmosphere in the evenings. Options range from subtle recessed lights to statement LED features along steps and edges. See more about outdoor lights costs.

Planters (£20 – £150 each): A simple way to introduce greenery and personalise your decking. Built-in or standalone planters can help define zones and soften the overall design.

Pergolas (£400 – £2,000): Provide shade, structure, and a focal point for your deck. They can also support climbing plants or be fitted with covers for additional weather protection.

While these features add to upfront costs, they can significantly improve how you use your outdoor space and may even increase your property’s appeal.

It’s worth prioritising features that match your lifestyle, whether that’s entertaining guests or creating a quiet place to unwind.

Avoid These Hidden Decking Costs

When planning a garden decking project, understanding potential hidden costs is essential to avoid budget surprises.

Although the primary expenses often revolve around materials and labour, there are several additional costs that might arise during or after the installation process.

Decking repair may be needed over time, costing between £150 and £400 depending on the damage. Deck cleaning and maintenance helps preserve appearance and durability, typically costing £50 to £100 per hour. Steps or stairs increase costs depending on construction complexity and materials used.

MyBuilder-Tip: Consider setting aside a contingency fund of 10-15% of your total project budget to accommodate unforeseen expenses during installation.

Can Installing a Deck Provide Long-Term Value?

Investing in garden decking enhances both property value and outdoor living. With quality materials and proper installation, it creates a versatile space for relaxation and entertainment while appealing to potential buyers.

A well-maintained deck can last over 15 years, making it a valuable long-term addition. Decking provides a seamless indoor-outdoor transition and remains a lasting feature with regular care.

Find Local Decking Installers on MyBuilder

Getting the right decking installer makes all the difference - and MyBuilder makes it easy to find one. Post your job with a few photos and details about your project, and you can receive advice and quotes from local tradespeople who have been reviewed by other homeowners.

You can also browse photos of previous decking projects, compare quotes side by side, and read genuine feedback to help you choose the right installer with confidence.

All tradespeople on MyBuilder undergo checks at registration - such as ID documents, company details, certifications for regulated jobs and skill assessments - allowing you to hire with confidence.

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FAQ: Common Questions About Garden Decking Costs

Do I need planning permission for garden decking?

Planning permission may be necessary if your decking is over 300mm high or covers more than half of your garden. Decks that require planning permission will likely need to adhere to Building Regulations. To avoid any issues, it's essential to consult with your local planning authority before proceeding with your decking project to ensure compliance with all regulations.

How much does it cost to remove old decking?

The cost to remove and dispose of old decking typically ranges from £300 to £1,000, depending on the size, material, and accessibility of the area. Smaller, ground-level timber decks are usually quicker and cheaper to remove, while larger or raised structures require more time, labour, and care - especially if they include steps, railings, or built-in features.

What are some ways to reduce garden decking costs?

To reduce garden decking costs without compromising quality, choose composite or pressure-treated timber for affordability and durability. DIY installation can save on labour if you have the skills. Buy materials in bulk or during sales and source locally to cut transport fees. A simple design lowers costs, while using recycled or repurposed materials adds savings and sustainability.

Are there seasonal variations that could influence the price of decking installation?

Yes, seasonal demand impacts decking costs. Prices tend to rise in spring and summer due to high demand, while autumn and winter may offer lower rates and better negotiation opportunities. However, winter weather could cause delays, so consider the trade-off between cost and timing.

How do I prevent weeds from growing under decking?

To prevent weeds from growing under your decking, install a weed membrane before laying the deck. This barrier blocks sunlight, preventing weed growth while allowing water drainage. Using gravel or sand as a base can further discourage weed growth by improving drainage and reducing soil contact. Regular maintenance, such as sweeping debris from gaps between boards, also helps prevent weeds from taking root.